#include "opencv2/opencv.hpp"
#include <iostream>

using namespace cv;
using namespace std;

int main(void){
    cv::Mat *srcImgPtr = new Mat(2160, 3840, CV_8UC3);
    if(srcImgPtr->empty()){
        cout << "empty" << endl;
    }else{
        cout << "not empty" << endl;
    }
    return 0;
}
